Johnson, who won for the first time on the LPGA Tour, finished 21-under-par
267. Her total of 267 bettered the tournament's scoring record by four shots.
Stacy Lewis set the old record of 271 last year.

Pornanong Phatlum fired a 9-under 63 to grab a share of second place. She was
joined at minus-20 by Jessica Korda, who closed with a 4-under 68.